document.write( "Question 1194430: Two students ride on an helicopter to measure the
\n" ); document.write( "width of a lake. At a point 760 m above the lake, they are
\n" ); document.write( "able to measure using a lensatic sighting compass the angle of
\n" ); document.write( "depression on one side of the lake as 45° and the angle of
\n" ); document.write( "depression on the other side is 20°. What is the width of the lake?
\n" ); document.write( "

Algebra.Com's Answer #826633 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Would be simpler and safer if they hovered over either shore.
\n" ); document.write( "------
\n" ); document.write( "Would be a right triangle, and they wouldn't drown if the engine failed.
\n" ); document.write( "
\n" );